Home / 2,867.56-4,309.47-1,697.79

Finding the Fourth Proportional to 2,867.56, 4,309.47 and 1,697.79

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Solution

The fourth proportional to 2,867.56, 4,309.47 and 1,697.79 is: 2,551.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.56 : 4,309.47 = 1,697.79 : x
  2. Step 2: Convert to fraction form
    2,867.56/4,309.47 = 1,697.79/x
  3. Step 3: Cross multiply
    2,867.56x = 4,309.47 × 1,697.79
  4. Step 4: Simplify right side
    2,867.56x = 7,316,554.87
  5. Step 5: Solve for x
    x = 7,316,554.87/2,867.56
  6. Step 6: Final answer
    x = 2,551.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.